| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 4 | |
| #2 | France | 4 | |
| #3 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Basic materials chemistry | |
| #3 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Grates | |
| #2 | Producer gas production | |
| #3 | Combustion residues removal | |
| #4 | Preheating for stem generation | |
| #5 | Air-conditioning | |
| #6 | Supplying fuel to combustion device | |
| #7 | Solid fuel combustion |
| Publication | Filing date | Title |
|---|---|---|
| GB225898A | Improvements in or relating to steam generating installations | |
| GB191450A | Improvements relating to the combustion of fuel in furnaces | |
| GB184211A | Method and means for utilising the heat contained in the fuelresidues of furnaces |